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Guide for Grooving
Guide for External Grooving Before Longitudinal turning, pull the tool
back about 0.1mm after grooving
Point ( ) (Longitudinal turning after Grooving)
(Grooving Depth Over 0.5mm: At roughing)
Grooving Depth Over 0.5mm: At roughing (Refer to Fig.1) Fig.1
Before Longitudinal turning, pull the tool back about 0.1mm after grooving,
instead of Longitudinal turning subsequent to grooving.
(Failure to pull the tool back before traverse cutting will result in an unbalanced
load applied on only one side of the cutting edge.)
Grooving Depth under 0.5mm: At finishing (Refer to Fig.2)
Longitudinal turning subsequent to grooving is possible because shallow
groove depths relate a small load on the cutting edge.
(Retention time is not necessary.)
Point ( ) Logitudinal turning subsequent to
grooving is possible because there is only
When widening the groove width, apply the “Step Turning”
as shown in Fig.3. a small force on the cutting edge.
Fig.2
G The widened groove and side walls should be finished last.
(For better chip control, ap over 0.5mm is recommended.)
Note: If the workpiece is not supported at the center,
reduce the feed rate when grooving towards center
Grooving Fig.3
Guide for Face Grooving
Toolholder Selection
Choose the best tool depending on the groove width.
The machining Dia. D listed in the catalog indicates the depth
of the first plunge of face grooving as shown in Fig.1.
Confirm Grooving Depth (dimension T)
Fig.1
It is recommended to install the toolholder in the Toolholder R-hand Toolholder L-hand
(No Hand)
reverse position. Fig.2 Insert Insert (No Hand)
This will provide smooth chip flow and chip clearance.
Longitudinal turning Tips
Longitudinal turning direction should be from the outer
diameter to the inner diameter as shown in Fig.3.
This improves chip evacuation.
Fig.2 Toolholder's Hand and Rotation
Fig.3
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